Notes
Letter of transmittal dated June 18, 2001 from Michael Bailey, P.E. (Senior Principal, Hart Crowser) to Jim Kelley at Parametrix, Job No. 4978-06, transmitting four draft figures for the Third Runway Project Borrow Area 3 Wetland Protection Swale: Figure 1 Post-Reclamation Topography and Drainage Facilities, Figure 2 Typical Cross Sections, Figure 3 Post-Reclamation Topographical Detail, Figure 4 Proposed Wetland Protection Swale Profile and Cross Section. The swale provides mitigation of potential seepage changes from perching horizon. Copies sent to Ann Kenny at Ecology, Katie Walter at Shannon and Wilson, Elizabeth Leavitt (Port Of Seattle), Alan Black and Jim Thomson (HNTB), Paul Fendt (Parametrix), Ralph Wessels (Port Of Seattle). Draft plans to be incorporated into Borrow Area 3 excavation plans pending agency comments. Includes draft cross-section drawings showing drainage swale with 30 Mil HDPE Liner, erosion control matting, quarry spalls per WSDOT 9-13.6, seepage zone, and perching horizon. AR 050666–050668.